Version 4.0.0

Features

A new PPX has been added that allows to use tyxml with the HTML/SVG syntax, using the markup library (contribution by Anton 'aantron' Bachin).
New Format-based printers are available, both as functors and has pp functions in the various implementations. Old printers are deprecated.
Toplevel printers are now available for the tyxml library.
The str library has been replaced by re.
Various attributes arguments have been simplified. In particular:
- Constants arguments have been removed
- ``On|Off arguments are now replaced by booleans.
- Some arguments now use an option type.
XML comments are now properly serialized (without escaping but with sanitization).

Add srcset and sizes attributes (contribution by Stéphane 'slegrand45' Legrand).
The arguments of the sandbox attributes are now more consistent (contributino by Anton 'aantron' Bachin).
Various SVG attributes and elements are now properly named (contributino by Anton 'aantron' Bachin).
Add inputmode attribute.

Both the API documentation and the manual have been completely rewritten! Do not hesitate to read them and provide feedback.
Various examples have been added in the example/ directory. (basic_website contributed by Edgar 'fxfactorial' Aroutiounian).

Files in the tyxml library are now packed in a Tyxml module.
If you were using one of Html5, Svg and Xml module, simply open Tyxml.
All Html5 modules are now named Html
Various attributes and elements have been renamed. The original versions have been kept and marked deprecated.
Various elements that were both deprecated in the HTML specification and not usable due to typing constraints have been removed.